93 lines
3.1 KiB
C#
93 lines
3.1 KiB
C#
using Microsoft.EntityFrameworkCore;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
using UniversityContracts.BindingModels;
|
|
using UniversityContracts.SearchModels;
|
|
using UniversityContracts.StorageContracts;
|
|
using UniversityContracts.ViewModels;
|
|
using UniversityDatabaseImplement.Models;
|
|
|
|
namespace UniversityDatabaseImplement.Implements
|
|
{
|
|
public class StatementStorage: IStatementStorage
|
|
{
|
|
public StatementViewModel? GetElement(StatementSearchModel model)
|
|
{
|
|
if (!model.Id.HasValue)
|
|
{
|
|
return null;
|
|
}
|
|
using var context = new UniversityDatabase();
|
|
return context.Statements.Include(x => x.Teacher).FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
|
|
}
|
|
|
|
public List<StatementViewModel> GetFilteredList(StatementSearchModel model)
|
|
{
|
|
using var context = new UniversityDatabase();
|
|
|
|
// Фильтр по Id
|
|
IQueryable<Statement> query = context.Statements;
|
|
if (model.Id.HasValue)
|
|
{
|
|
query = query.Where(x => x.Id == model.Id.Value);
|
|
}
|
|
|
|
// Фильтр по Date
|
|
if (model.Date.HasValue)
|
|
{
|
|
query = query.Where(x => x.Date <= model.Date.Value);
|
|
}
|
|
|
|
// Загрузка связанных данных
|
|
return query.Include(x => x.Teacher).Select(x => x.GetViewModel).ToList();
|
|
}
|
|
|
|
public List<StatementViewModel> GetFullList()
|
|
{
|
|
using var context = new UniversityDatabase();
|
|
return context.Statements.Include(x => x.Teacher).Select(x => x.GetViewModel).ToList();
|
|
}
|
|
|
|
public StatementViewModel? Insert(StatementBindingModel model)
|
|
{
|
|
using var context = new UniversityDatabase();
|
|
var newStatement = Statement.Create(context, model);
|
|
if (newStatement == null)
|
|
{
|
|
return null;
|
|
}
|
|
context.Statements.Add(newStatement);
|
|
context.SaveChanges();
|
|
return context.Statements.Include(x => x.Teacher).FirstOrDefault(x => x.Id == newStatement.Id)?.GetViewModel;
|
|
}
|
|
|
|
public StatementViewModel? Update(StatementBindingModel model)
|
|
{
|
|
using var context = new UniversityDatabase();
|
|
var order = context.Statements.FirstOrDefault(x => x.Id == model.Id);
|
|
if (order == null)
|
|
{
|
|
return null;
|
|
}
|
|
order.Update(model);
|
|
context.SaveChanges();
|
|
return context.Statements.Include(x => x.Teacher).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
|
|
}
|
|
public StatementViewModel? Delete(StatementBindingModel model)
|
|
{
|
|
using var context = new UniversityDatabase();
|
|
var element = context.Statements.FirstOrDefault(rec => rec.Id == model.Id);
|
|
if (element != null)
|
|
{
|
|
context.Statements.Remove(element);
|
|
context.SaveChanges();
|
|
return element.GetViewModel;
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
}
|